Hydrocarbon incandescent lamp.



PATENTED SEPT. 13, 1904.

G. WASHINGTON.

HYDROOARBON INGANDESCENT LAMP.

APPLICATION FILED JULY 24, 1901.

2 SHEETS-SHEET 1.

NO MODEL.

WITNESSES I 7- [NVENTOR f 7 Attorney No. 770,135. PATENTED SEPT. 13, 190.4. G. WASHINGTON.

HYDROCARBON INGANDESGBNT LAMP.

APPLICATION FILED JULY 24, 1901.

NO MODEL, 2 SHEETS-SHEET 2.

l mu! WITNESSES UNITED STATES Patented September 13, 1904.

PATENT Orricn.

GEORGE WASHINGTON, OF NEW BRIGHTON, NEW YORK, ASSIGNOR, BY

MESNE ASSIGNMENTS, TO JOSEPH N. PATTERSON, OF DEVON, PENN- SYLVANIA.

HYDROCARBON INCANDESCENT LAMP.

SPECIFICATION forming part of Letters Patent No. 770,135, dated September 13, 1904.

Application filed July 24, 1901. Serial No. 69,532. (No model.)

To all whom it may concern:

Be it known that I, GEORGE VVAsHINGTON, of New Brighton, in the county ofRichmond and State of New York, have invented certain new 5 and useful Improvements in Hydrocarbon Incandescent Lamps; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains I to make and use the same.

My invention relates to an improvement in hydrocarbon incandescent lamps, the object of the invention being to simplify and improve the lamps of this general character now I in use.

With this object in view theinvention consists in certain novel features of construction and combinations and arrangements of parts, as will be more fully hereinafter described,

and pointed out in the claims.

In the accompanying drawings, Figure 1is a view in elevation of the lamp, showing the shade thereon. Fig. 2 is a transverse vertical section of the same. Fig. 3 is a view in elevation of the lamp, the shade being removed. Fig. 4 is a view in transverse section on the line a: m of Fig. 2. Fig. Sis an enlarged view in section of the vaporizing-tube. Fig. 6 is an enlarged View of the mechanism for actu- 0 atingthe vapor and oil valves, and Fig. 7 shows views of the ring for supporting the mantles.

A represents a vaporizing-tube provided at its lower end with a removable plug constituting a valve-chamber 1, having a longi- 3 5 tudinal opening for the passage of the oil. A tubular plug 2 is screwed into the bottom of the valve-chamber 1 and is provided with a small opening in its top, and the top of the plug is preferably made convex around said opening to form a seat for a valve 3, provided on its lower face with a covering of cork or other yielding material to insure the closing of the opening and prevent any possibility of oil passing therethrough when the valve is closed. The valve 3 just referred to is of slightly-less. diameter than the valve-chamber, so that it may move freely therein and when elevated above its seat will permit of a free passage of oil up and around same and into the vaporizing-tube secured to the upper end of said valve-chamber.

A needle-valve 4 projects through the top of the valve-chamber up into and through the vaporizer and is provided at its upper end with a tapering portion which passes through the vapor-ejecting nozzle 10, secured in the upper end of the vaporizing-tube, and operates to regulate the supply of vapor passing into the commingling-chamber and also to clear the opening in the nozzle of any carbon that may be deposited therein. The lower end of the needle-valve is screw-threaded and is screwed within a female threaded seat formed in the upper end of the rack-bar 5, while the oilvalve 3, as previously referred to, is integral with or secured to the rack 5 The two rackbars are slightly separated and are each engaged by the pinion 6, secured on the shaft 7 suitably mounted in the valve-chamber casing, the shaft passing through a stuiiing-box 8, which absolutely prevents the escape of any oil at this point. The shaft is provided at its outer end with a hand-wheel 9, which when turned in one direction operates to move the oil-valve down onto its seat and shut off the supply of oil and the needle-valve up into its seat in the nozzle 10 of the vaporizer, and thus shut off the supply of vapor to the commingling-chamber 13. By turning the shaft in the opposite direction both valves will be drawn inwardly, thus opening the respective ports and permitting oil to pass into the vaporizing-' tube and the vapor to pass out into the commingling-chamber.

A cylinder'll is integral with or secured around the upper portion of the vaporizingtube, and a disk 12 is disposed beneath the cylinder and preferably made integral there-v with. This cylinder 11 constitutes the auxiliary burner of the lamp,and it, together with the disk or flange 12, forms a heat-absorbing surface, which being integral with or adjacent to the vaporizing-tube operates when the lamp is in operation to retain suflicient heat to thoroughly vaporize the oil as it rises in the vaporizing-tube.

The upper end of the vaporizing-tube terminates within the commingling-chamben' which, as shown in Fig. 2, is made in two sec tions, the lower endof the upper section-resting within the open upper end of the lower section. The lower open end of the lower section fits closely around the upper end of the vaporizer and is then turned outwardly horizontally and then bent upwardly, as shown at 14 in Fig. 2, the horizontal section being perforated, as at 14", for the escape of the mixed air and vapor down into the auxiliary burner, as will be hereinafter more fully referred to. The upwardly-extending portion 14 extends up above the air-pipes 15 and is then bent into disk shape and terminates in an upwardlyextending flange 23, which is embraced by the flange 26 on the disk-shaped lower end-of.

the burner-tube 24. Air-inlet tubes 15 pass through the casing 14 and communicate with the commingling-chamber 13, and the outer ends of said tubes extend outward. and then downward below the auxiliary burners and communicate with perforations in a circular bracket 16, secured to the tubes 15 and adapted to support a lamp-shade, as will more fully hereinafter appear. By carrying the air-pipes to a point below the auxiliary burner none of the products of combustion from the auxiliary burner are carried into the comminglingchamber.

The semicircular flange 19 projects downward from the bracket 16, and a ring 20 is secured to or integral with the lower edge of the flange 19 for the reception of an igniter a, comprising acurved wire frame 21, containing, preferably, a filling of asbestos fiber which is adapted to be saturated with oil and ignited to start the vaporization of oil in tube A. A suitable handle 22 is provided on the igniter to permit of the ready handling of the same.

The upper edge of the cup-shaped casing 14 flares outward, as shown at 14, and is provided on its outer. edge with an upwardlyprojecting flange 23, as previously explained. The burner-tube 24, closed at its top, incloses the upper portion of the commingling-chamher and is provided with a disk-shaped section 25 at its lower end parallel with the disk 14. A series of tubular projections or burners 28 project upward from the annular enlargement or chamber 27 thus formed, and a wire netting or gauze 28 is provided in each burner, and an incandescent mantle 28 is mounted on each burner. Each mantle 28 is provided with a frame made of metal, asbestos, or other suitable material and comprising a base-ring 30, connected to the bottom of the mantle by cement or in any other manner, a lug 31, projecting to one side of the ring 30, and an upright wire 32, secured near its lower end to the lug 31, the said wire 32 being bent at its upper end, so as to over hang the mantle and form a support for the same. A

A ring 33 embraces the casing 24 and rests on the disk 25 and is provided at its upper and lower edges with outwardly-projecting flanges 34, the upper flange having a recess 35 therein opposite each burner for the reception of the lugs 31 on the mantle-frame and the lower flange having a holebeneath each recess for the reception of the lower end ofwire 32, which projects beneath the lug 31.- This brings the lower ends of the mantles over the burners, so that the mixed vapor and air as it issues from the latter is discharged under or within the mantles.

The lower portion of the casing 14, heretofore referred to, is perforated, as shown, to

permit a small part of the mixed vapor and air to pass downward therethrough into the auxiliary burner 11, which is provided in its bottom with a series of passage-ways 29, in which the mixed air and vapor burn, thedisk 12 below the bottom of the cylinder 11 acting as a heat retaining surface against which the flame burns and from which heat is transmitted to the vaporizer. Located within the auxiliary burner and above the passage-ways 29 is the inclined sieve 29 for evenly distributing the gases to the several passageways 29 of the auxiliary burner. It will thus be seen that the heat from the flame burning in the bottom ofburner 11 will heat the vaporizing tube and vaporize the oil passing therethrough.

The bracket 16, as heretofore stated, is adapted to support the shades. These shades comprise a conical shade 17 which is disposed on the bracket 16. A ring 38, inverted-U shape in cross-section, is mounted on the upper edge of the shade 17 and a series of arms are secured to said ring 38 and project radially therefrom and are bent downward, outward, and upward at their ends, as shown at 41, to receive the edge of the upper and larger shade 18.

The operation of vmy improved lamp is as follows: The valve 3 is opened to permit oil to enter the vaporizing-tube A and is then closed. The igniter a is saturated with oil, placed on its support 20, around the vaporizing-tube, and ignited. As soon as the heat from the igniter starts the vaporization of the oil in the tube the valves 3 and 4 will be opened and the vapor will pass up into the commingling-chamber 13 and become thoroughly mixed with air, which will be drawn therein through the tubes 15, and the mixed air and vapor will pass out the top of the commingling tube or chamber and down the outside of said tube or chamber into the annular enlargement or chamber 27 and from thence to the burners, which latter will be lighted by a torch or other means. A small portion of the mixed air and vapor will pass down into the chamber between casing 14 and the commingling-tube 13 and out through the perforations 14 in its bottom and into the auxiliary burner 11 and there be ignited by the flame from the igniter and the vaporization in the vaporizing-tube continued by the flame in the cylinder or auxiliary burner 11. The flame of the igniter may now be extinguished or allowed to go out,'and as it is composed of asbestos fiber will effectually shield the valve-chamber and oil-valve from the heat above.

The mantles 28* are smaller than those now in use on lamps of this general character and are disposed in circular form around the'main burner-casing, and when the lower globe 17 is placed in position on the bracket 16 it will serve the double purpose of a protector to protect the mantles and also will relieve the intense glare of the lights and soften the same, while the large shade 18 will serveas a reflector to reflect the softened light downward.

With this construction it will be seen that the main burner tube or casing is bulged outwardl y at a point near its base for the accommodation of a plurality of burners, while the mixed air and vapor for the auxiliary burner is supplied to the latter from a point below the main burners and in close proximity to the upper end of the vaporizing-tube.

In the drawings I have shown the auxiliary burner integral with the vaporizing-tube, the upper end of the former being cup-shaped to receive the lower end of the main burner-casing. I would have it distinctly understood, however, that this auxiliary burner may be separate from the vaporizer and integral with the main burner-casing, or, again, it may be separate and removable from both.

Various slight changes might be resorted to in the general form and arrangement of the several parts described without departing from the spirit and scope of my invention, and hence I would have it understood that I do not wish to limit myself to the precise details set forth, but consider myself at liberty to make such slight changes and alterations 'as fairly fall within the spirit and scope of my invention.

Having fully described my invention, what I claim as new, and desire to secure by Letters Patent, is

1. The combination with a vaporizing-tube, a commingling-chamber, a casing inclosing the discharge end of the commingling-chamber and provided at a point between its ends with an enlargement, and an air-supply tube penetrating the casing and opening into the interior of the commingling-chamber, of a plurality of burners communicating with said enlargement, and an auxiliary burner or heater communicating with the interior of the casing at the lower end of latter to receive vapor therefrom and located in proximity to the vaporizing-tube. V

' 2. The combination with avaporizing-tube,

a commingling-chamber, a casing inclosing the 3. The combination with a vaporizing-tube, I

a commingling chamber communicating therewith, a casing inclosing the upper end and body of the commingling-chamber and provided ata point intermediate its ends with an enlargement, and an air-supply pipe penetrating the casing and opening into. the interior of the commingling-chamber, of a plurality of burners carried by the enlargement of the casing, and an auxiliary burner adjacent to the vaporizer and communicating with the interior of the casing at its lower end to receive vapor therefrom.

4:. The combination with a vaporizing-tube, a commingling chamber communicating therewith, a casing inclosing the upper portion of said commingling-chamber, a burner disposed to one side of said casing and communicating therewith and an air-supply tube penetrating the casing and opening into the interior of the commingling-chamber, of an incandescent mantle on said burner, a frame secured to said mantle, and asupport for said frame connected to the casing.

5. The combination with a vaporizing-tube, a commingling chamber communicating therewith and a casing inclosing the upper portion of said commingling-chamber, of a plurality of burners around said casing and communicating therewith, an incandescent mantle on each burner, a frame on each mantle, a ring mounted on said casing, an outwardly-projecting flange on the upper and lower edge of said ring, provided with recesses or notches to receive the mantle-frames and secure the mantles against displacement.

6. The combination with a burner and means for supplying mixed air and vapor thereto, of a circular bracket supported by said means, a conical shade or globe on said bracket, aframe around the upper edge of said globe or shade, radial arms on said frame having their ends bent downward and then upward and a larger globe or shade supported in the bent ends of said arms.

In testimony whereof I have signed this specification in the presence of two subscribing witnesses. i

GEORGE WASHINGTON.

Witnesses:

.S. G. NOTTINGHAM,

A. WV. BRIGHT. 

